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CO2 efflux from a Mediterranean semi-arid forest soil. I. Seasonality and effects of stoniness

Published in Biogeochemistry

We studied the seasonality of total soil CO2efflux and labeled C-CO2 released from 14Clabeled straw incubated in the H horizon of asemi-arid Mediterranean forest soil. Fieldmeasurements were carried out over 520 days in aseries of reconstructed soil profiles with and withouta gravel layer below the H horizon. We monitored soilclimate and related th...